The McDonnell Douglas Helicopter Systems MD 500 Defender is a light multi-role military helicopter based on the MD 500 light utility helicopter and OH-6 Cayuse Light Observation Helicopter.
Hughes 530MG, on display at PROLOG '85
Korean Air Unmanned System-Vertical Helicopter (KUS-VH)
ROCN Hughes 500MD/ASW Defender 6910 carried on Lan Yang (FFG-935)
Philippine Air Force MD 520MG light attack helicopters
MD Helicopters MD 500
Videos
The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayus
McDonnell Douglas MD 500 Defender
…The McDonnell Douglas Helicopter Systems MD 500 Defender is a light multi-role military helicopter based on the MD 500 light utility helicopter and OH-6 Cayuse Light Observation Helicopter. During the Vietnam War, the original OH-6 Cayuse helicopter performed admirably…
An MD 500E
A Hughes 500C (Model 369HS)
A Hughes 500D
A NOTAR MD 520N